Symbols « Language Basics « Ruby






  1. Ruby
  2. Language Basics
  3. Symbols
1.symbols is placeholders for identifiers and strings.
2.Ruby uses tons of symbols internally. To prove it, execute this line of Ruby code
3.Symbol in an array
4.id2name
5.Using Symbols as Hash Keys
6.object_id of three string with the same value
7.object_id of three symbols with the same name